Coming Soon: Humans No Longer Needed for Tennis!
Have you ever heard of a quadrocopter? I hadn't either until I came upon this article on Popular Science's website. Apparently, the world is about to be taken over by these flying robot machines. They can do almost anything, like play the piano and hit tennis balls. Yep, who needs a Nadal-Federer rivalry when you could have one between R2D2 and Twiki. (Don't know Twiki? Look it up, kids.) While amazing to watch, it looks like Aranxta Sanchez-Vicario taught their two quadrocopters how to play tennis: